Question
What term refers to the superposition of two or more
coherent waves to produce regions of maxima and minima?Solution
Interference is the phenomenon where two or more waves superpose to form regions of constructive (maxima) and destructive (minima) interference.
40 Litres of water is added to 60 litres of a solution containing 40% alcohol . What is the concentration of alcohol in solution now?
Ravi scored 80 marks in English. He scored 66% marks in Hindi and X marks in Maths. The maximum marks for each subject is 200. The overall percentage of...
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M scored 30% marks in an exam whereas N scored 270 marks in the same exam. If the score of N is 90 marks more than that of M, then find the maximum mark...
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If the student scores 30% marks, then he is failed by 210 marks. But if he scores 55% marks then he is passed by 240 marks. Find the passing percentage....
A person spent 23% of his monthly income on food and 44% of the remaining on rent. If amount spent on rent is Rs 1694, then find the amount spent on food.
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